We calculate this based on a simple income multiple, but, in reality, it's much more complex. When you apply for a mortgage, lenders calculate how much they'll lend based on both your income and your ...

Ovulation Calculator Your menstrual cycle can vary from month to month, and not everyone's is the same length. Use this calculator to see when you may be ovulating to find your most fertile days.

Calculate percentiles and z-scores for a child's Blood Pressure. Display pediatric reference curves.